# coding=utf-8
import os
import cgi
import datetime
import time
import hashlib
import socket
import urllib.request, urllib.parse, urllib.error
import re
import logging
import base64
from http.cookies import SimpleCookie
from settings import Settings
from database import *
### Constants ###
BIT = lambda x: 2 ** x
def setBoard(dir):
"""
Sets the board which the script is operating on by filling Settings._.BOARD
with the data from the db.
"""
if not dir:
raise UserError(_("The specified board is invalid."))
board = FetchOne("SELECT * FROM `boards` WHERE `dir` = %s LIMIT 1", (dir,))
if not board:
raise UserError(_("The specified board is invalid."))
board["filetypes"] = FetchAll(
"SELECT * FROM `boards_filetypes` INNER JOIN `filetypes` ON filetypes.id = boards_filetypes.filetypeid WHERE `boardid` = %s ORDER BY `ext` ASC", (board['id'],))
board["filetypes_ext"] = [filetype['ext']
for filetype in board['filetypes']]
Settings._.BOARD = board
return board
def str2boards(sstr):
return sstr.split(',')
def boards2str(boards):
return ','.join(boards)
def cleanDir(path, ext=None):
if ext:
filelist = [f for f in os.listdir(path) if f.endswith("." + ext)]
else:
filelist = os.listdir(path)
for f in filelist:
os.remove(os.path.join(path, f))
def addressIsBanned(ip, board=None, blind_only=False):
query = "SELECT * FROM `bans` WHERE INET6_ATON(%s) BETWEEN `ipstart` AND `ipend`"
if blind_only:
query += " AND `blind` = '1'"
bans = FetchAll(query, (ip,))
for ban in bans:
if not board:
return ban
if ban["boards"]:
boards = str2boards(ban["boards"])
if not ban["boards"] or board in boards:
if board not in Settings.EXCLUDE_GLOBAL_BANS:
return ban
return None
def addressIsTor(ip):
if Settings._.IS_TOR is None:
res = False
nodes = []
if ip == '127.0.0.1': # Tor proxy address
res = True
else:
with open('tor.txt') as f:
for line in f:
if ip == line.rstrip():
res = True
break
if ip in nodes:
res = True
Settings._.IS_TOR = res
return res
else:
return Settings._.IS_TOR
def addressIsProxy(ip):
if Settings._.IS_PROXY is None:
res = False
proxies = []
with open('proxy.txt') as f:
proxies = [line.rstrip() for line in f]
if ip in proxies:
res = True
Settings._.IS_PROXY = res
return res
else:
return Settings._.IS_PROXY
def addressIsES(ip):
ES = ['AR', 'BO', 'CL', 'CO', 'CR', 'CU', 'EC', 'ES', 'GF',
'GY', 'GT', 'HN', 'MX', 'NI', 'PA', 'PE', 'PY', 'PR',
'SR', 'UY', 'VE'] # 'BR',
return getCountry(ip) in ES
def addressIsBannedCountry(ip):
return getCountry(ip) in Settings.BANNED_COUNTRIES
def getCountry(ip):
import geoip2.database
import geoip2.errors
try:
with geoip2.database.Reader('GeoLite2-Country.mmdb') as reader:
response = reader.country(ip)
return response.country.iso_code
except geoip2.errors.AddressNotFoundError:
return "??"
def clearCache():
if Settings._.CONN:
Settings._.CONN.close()
Settings._.CONN = None
Settings._.BOARD = None
Settings._.IS_TOR = None
Settings._.HOST = None
def getHost(ip):
if Settings._.HOST is None:
try:
Settings._.HOST = socket.gethostbyaddr(ip)[0]
return Settings._.HOST
except socket.herror:
return None
else:
return Settings._.HOST
def hostIsBanned(ip):
host = getHost(ip)
if host:
for banned_host in Settings.BANNED_HOSTS:
if host.endswith(banned_host):
return True
return False
def updateBoardSettings():
"""
Pickle the board's settings and store it in the configuration field
"""
board = Settings._.BOARD
del board["filetypes"]
del board["filetypes_ext"]
sql = "UPDATE `boards` SET "
keys = []
values = []
for k, v in board.items():
keys.append("`" + k + "` = %s")
values.append(v)
sql += ", ".join(keys)
sql += " WHERE `id` = %s LIMIT 1"
values.append(board["id"])
UpdateDb(sql, values)
def timestamp(t=None):
"""
Create MySQL-safe timestamp from the datetime t if provided, otherwise create
the timestamp from datetime.now()
"""
if not t:
t = datetime.datetime.now()
return int(time.mktime(t.timetuple()))
def formatDate(t=None, home=False):
"""
Format a datetime to a readable date
"""
if not t:
t = datetime.datetime.now()
days = {'en': ['mon', 'tue', 'wed', 'thu', 'fri', 'sat', 'sun'],
'es': ['lun', 'mar', 'mie', 'jue', 'vie', 'sab', 'dom'],
'jp': ['月', '火', '水', '木', '金', '土', '日']}
daylist = days[Settings.LANG]
format = "%d/%m/%y(%a)%H:%M:%S"
if not home:
try:
board = Settings._.BOARD
if board["dir"] == '2d':
daylist = days['jp']
elif board["dir"] == 'world':
daylist = days['en']
except:
pass
t = t.strftime(format)
t = re.compile(r"mon", re.DOTALL | re.IGNORECASE).sub(daylist[0], t)
t = re.compile(r"tue", re.DOTALL | re.IGNORECASE).sub(daylist[1], t)
t = re.compile(r"wed", re.DOTALL | re.IGNORECASE).sub(daylist[2], t)
t = re.compile(r"thu", re.DOTALL | re.IGNORECASE).sub(daylist[3], t)
t = re.compile(r"fri", re.DOTALL | re.IGNORECASE).sub(daylist[4], t)
t = re.compile(r"sat", re.DOTALL | re.IGNORECASE).sub(daylist[5], t)
t = re.compile(r"sun", re.DOTALL | re.IGNORECASE).sub(daylist[6], t)
return t
def formatTimestamp(t, home=False):
"""
Format a timestamp to a readable date
"""
return formatDate(datetime.datetime.fromtimestamp(int(t)), home)
def timeTaken(time_start, time_finish):
return str(round(time_finish - time_start, 3))
def parseIsoPeriod(t_str):
m = re.match('P(?:(\d+)D)?T(?:(\d+)H)?(?:(\d+)M)?(\d+)S', t_str)
if m:
grps = [x for x in m.groups() if x]
if len(grps) == 1:
grps.insert(0, '0')
grps[-1] = grps[-1].zfill(2)
return ':'.join(grps)
else:
return '???'
def getFormData(self):
"""
Process input sent to WSGI through a POST method and output it in an easy to
retrieve format: dictionary of dictionaries in the format of {key: value}
"""
# This must be done to avoid a bug in cgi.FieldStorage
self.environ.setdefault("QUERY_STRING", "")
if self.environ["QUERY_STRING"] == "rawpost":
return None
wsgi_input = self.environ["wsgi.input"]
post_form = self.environ.get("wsgi.post_form")
if (post_form is not None
and post_form[0] is wsgi_input):
return post_form[2]
fs = cgi.FieldStorage(fp=wsgi_input,
environ=self.environ,
keep_blank_values=1)
new_input = InputProcessed()
post_form = (new_input, wsgi_input, fs)
self.environ["wsgi.post_form"] = post_form
self.environ["wsgi.input"] = new_input
formdata = {}
for key in dict(fs):
if type(fs[key]) is list:
formdata.update({key: fs[key]})
else:
formdata.update({key: fs[key].value})
return formdata
class InputProcessed(object):
def read(self):
raise EOFError("El stream de wsgi.input ya se ha consumido.")
readline = readlines = __iter__ = read
class UserError(Exception):
pass
def secure_filename(path):
split = re.compile(r'[\0%s]' % re.escape(
''.join([os.path.sep, os.path.altsep or ''])))
return html.escape(split.sub('', path))
def getMD5b(data):
m = hashlib.md5()
m.update(data)
return m.hexdigest()
def getMD5(data):
m = hashlib.md5()
m.update(bytes(data, 'utf-8'))
return m.hexdigest()
def getb64(data):
return base64.b64encode(bytes(data, 'utf-8')).decode('utf-8')
def decodeb64(data):
return base64.b64decode(bytes(data, 'utf-8'))
def getRandomLine(filename):
import random
f = open(filename, 'r')
lines = f.readlines()
num = random.randint(0, len(lines) - 1)
return lines[num]
def getRandomIco():
from glob import glob
from random import choice
icons = glob("../static/ico/*")
if icons:
return choice(icons).lstrip('..')
else:
return ''
def N_(message): return message
def getCookie(self, value=""):
try:
return urllib.parse.unquote_plus(self._cookies[value].value)
except KeyError:
return None
def reCookie(self, key, value=""):
board = Settings._.BOARD
setCookie(self, key, value)
def setCookie(self, key, value="", max_age=None, expires=None, path="/", domain=None, secure=None):
"""
Copied from Colubrid
"""
if self._newcookies is None:
self._newcookies = SimpleCookie()
self._newcookies[key] = urllib.parse.quote_plus(value)
if not max_age is None:
self._newcookies[key]["max-age"] = max_age
if not expires is None:
if isinstance(expires, str):
self._newcookies[key]["expires"] = expires
expires = None
elif isinstance(expires, datetime):
expires = expires.utctimetuple()
elif not isinstance(expires, int):
expires = datetime.datetime.gmtime(expires)
else:
raise ValueError("Se requiere de un entero o un datetime")
if not expires is None:
now = datetime.datetime.gmtime()
month = _([N_("Jan"), N_("Feb"), N_("Mar"), N_("Apr"), N_("May"), N_("Jun"), N_("Jul"),
N_("Aug"), N_("Sep"), N_("Oct"), N_("Nov"), N_("Dec")][now.tm_mon - 1])
day = _([N_("Monday"), N_("Tuesday"), N_("Wednesday"), N_("Thursday"),
N_("Friday"), N_("Saturday"), N_("Sunday")][expires.tm_wday])
date = "%02d-%s-%s" % (
now.tm_mday, month, str(now.tm_year)[-2:]
)
d = "%s, %s %02d:%02d:%02d GMT" % (day, date, now.tm_hour,
now.tm_min, now.tm_sec)
self._newcookies[key]["expires"] = d
if not path is None:
self._newcookies[key]["path"] = path
if not domain is None:
if domain != "THIS":
self._newcookies[key]["domain"] = domain
if not secure is None:
self._newcookies[key]["secure"] = secure
def deleteCookie(self, key):
"""
Copied from Colubrid
"""
if key not in self._cookies:
return # Cookie doesn't exist
if self._newcookies is None:
self._newcookies = SimpleCookie()
self._newcookies[key] = ""
if self._cookies[key]["path"]:
self._newcookies[key]["path"] = self._cookies[key]["path"]
else:
self._newcookies[key]["path"] = "/"
self._newcookies[key]["domain"] = self._cookies[key]["domain"]
self._newcookies[key]["expires"] = "Thu, 01 Jan 1970 00:00:00 GMT"
def elapsed_time(seconds, suffixes=['y', 'w', 'd', 'h', 'm', 's'], add_s=False, separator=' '):
"""
Takes an amount of seconds and turns it into a human-readable amount of time.
"""
# the formatted time string to be returned
time = []
# the pieces of time to iterate over (days, hours, minutes, etc)
# - the first piece in each tuple is the suffix (d, h, w)
# - the second piece is the length in seconds (a day is 60s * 60m * 24h)
parts = [(suffixes[0], 60 * 60 * 24 * 7 * 52),
(suffixes[1], 60 * 60 * 24 * 7),
(suffixes[2], 60 * 60 * 24),
(suffixes[3], 60 * 60),
(suffixes[4], 60),
(suffixes[5], 1)]
# for each time piece, grab the value and remaining seconds, and add it to
# the time string
for suffix, length in parts:
value = seconds / length
if value > 0:
seconds = seconds % length
time.append('%s%s' % (str(value),
(suffix, (suffix, suffix + 's')[value > 1])[add_s]))
if seconds < 1:
break
return separator.join(time)
def inet_aton(ip_string):
import socket
import struct
return struct.unpack('!L', socket.inet_aton(ip_string))[0]
def inet_ntoa(packed_ip):
import socket
import struct
return socket.inet_ntoa(struct.pack('!L', packed_ip))
def is_bad_proxy(pip):
import urllib.request, urllib.error, urllib.parse
import socket
socket.setdefaulttimeout(3)
try:
proxy_handler = urllib.request.ProxyHandler({'http': pip})
opener = urllib.request.build_opener(proxy_handler)
opener.addheaders = [('User-agent', 'Mozilla/5.0')]
urllib.request.install_opener(opener)
req = urllib.request.Request('http://bienvenidoainternet.org')
sock = urllib.request.urlopen(req)
except urllib.error.HTTPError as e:
return e.code
except Exception as detail:
return True
return False
def send_mail(subject, srcmsg):
import smtplib
from email.mime.text import MIMEText
msg = MIMEText(srcmsg)
me = 'weabot@bienvenidoainternet.org'
you = 'burocracia@bienvenidoainternet.org'
msg['Subject'] = 'The contents of %s' % textfile
msg['From'] = me
msg['To'] = you
s = smtplib.SMTP('localhost')
s.sendmail(me, [you], msg.as_string())
s.quit()
